* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    :root {
        --ink-black: #1a1a1a;
        --ink-gray: #4a4a4a;
        --paper-white: #f5f2eb;
        --paper-cream: #e8e4d9;
        --accent-red: #8b2500;
        --accent-gold: #b8860b;
    }

    body {
        font-family: 'STSong', 'SimSun', '宋体', serif;
        background: var(--paper-white);
        color: var(--ink-black);
        overflow-x: hidden;
    }

    .paper-texture {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
        opacity: 0.03;
        pointer-events: none;
        z-index: 0;
    }

    .ink-splash {
        position: fixed;
        width: 600px;
        height: 600px;
        border-radius: 50%;
        filter: blur(100px);
        opacity: 0.05;
        pointer-events: none;
    }

    .ink-splash:nth-child(1) {
        top: -200px;
        right: -200px;
        background: var(--ink-black);
    }

    .ink-splash:nth-child(2) {
        bottom: -300px;
        left: -200px;
        background: var(--ink-gray);
    }

    .main-container {
        position: relative;
        z-index: 1;
        max-width: 1400px;
        margin: 0 auto;
        padding: 40px 80px 120px;
    }

    .breadcrumb {
        font-size: 14px;
        color: var(--ink-gray);
        margin-bottom: 40px;
        letter-spacing: 1px;
    }

    .breadcrumb a {
        color: var(--ink-gray);
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .breadcrumb a:hover {
        color: var(--accent-red);
    }

    .brand-hero {
        display: flex;
        gap: 80px;
        align-items: flex-start;
        padding: 60px 0;
        border-bottom: 2px solid var(--paper-cream);
        margin-bottom: 60px;
        position: relative;
    }

    .brand-logo {
        flex-shrink: 0;
        width: 180px;
        height: 180px;
        padding: 20px;
        background: var(--paper-cream);
        border: 2px solid rgba(0, 0, 0, 0.1);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
    }

    .brand-logo::before {
        content: '';
        position: absolute;
        inset: 8px;
        border: 1px solid var(--accent-gold);
        pointer-events: none;
    }

    .brand-logo img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

    .brand-title-vertical {
        writing-mode: vertical-rl;
        text-orientation: mixed;
    }

    .brand-main-title {
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 96px;
        color: var(--ink-black);
        line-height: 1.2;
        letter-spacing: 16px;
        text-shadow: 3px 3px 0 var(--paper-cream);
    }

    .brand-content {
        flex: 1;
        padding-top: 20px;
    }

    .brand-subtitle {
        font-size: 20px;
        color: var(--ink-gray);
        line-height: 2.2;
        margin-bottom: 40px;
        letter-spacing: 2px;
    }

    .brand-meta {
        display: flex;
        gap: 40px;
        flex-wrap: wrap;
    }

    .meta-item {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .meta-label {
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 18px;
        color: var(--accent-red);
    }

    .meta-value {
        font-size: 16px;
        color: var(--ink-gray);
    }

    .brand-seal-large {
        width: 150px;
        height: 150px;
        border: 4px solid var(--accent-red);
        display: flex;
        justify-content: center;
        align-items: center;
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 64px;
        color: var(--accent-red);
        transform: rotate(-8deg);
        flex-shrink: 0;
        position: relative;
    }

    .brand-seal-large::before {
        content: '';
        position: absolute;
        inset: -8px;
        border: 1px solid var(--accent-red);
    }

    .section-header {
        display: flex;
        align-items: center;
        gap: 30px;
        margin: 80px 0 40px;
    }

    .section-line {
        flex: 1;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--ink-gray), transparent);
    }

    .section-title {
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 36px;
        color: var(--ink-black);
        position: relative;
        padding: 0 20px;
    }

    .section-title::before {
        content: '◆';
        position: absolute;
        left: -10px;
        color: var(--accent-gold);
        font-size: 20px;
    }

    .section-title::after {
        content: '◆';
        position: absolute;
        right: -10px;
        color: var(--accent-gold);
        font-size: 20px;
    }

    .product-showcase {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 40px;
        margin-bottom: 60px;
    }

    .product-card {
        background: var(--paper-cream);
        border: 1px solid rgba(0, 0, 0, 0.08);
        position: relative;
        overflow: hidden;
        transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
        text-decoration: none;
        color: inherit;
    }

    .product-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 6px;
        background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
        transform: scaleX(0);
        transform-origin: center;
        transition: transform 0.5s ease;
    }

    .product-card:hover {
        transform: translateY(-12px);
        box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
    }

    .product-card:hover::before {
        transform: scaleX(1);
    }

    .product-image-wrapper {
        position: relative;
        padding: 40px 20px;
        background: linear-gradient(180deg, rgba(255,255,255,0.5) 0%, transparent 100%);
        height: 280px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .product-image {
        width: 100%;
        height: 100%;
        object-fit: contain;
        transition: transform 0.5s ease;
    }

    .product-card:hover .product-image {
        transform: scale(1.08);
    }

    .product-info {
        padding: 30px 20px;
        background: var(--paper-cream);
    }

    .product-title {
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 22px;
        color: var(--ink-black);
        margin-bottom: 15px;
        line-height: 1.4;
    }

    .product-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 15px;
        border-top: 1px dashed rgba(0, 0, 0, 0.1);
    }

    .product-brand {
        font-size: 14px;
        color: var(--ink-gray);
    }

    .product-price {
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 20px;
        color: var(--accent-red);
    }

    .ink-brush-decoration {
        position: absolute;
        width: 60px;
        height: 60px;
        opacity: 0;
        transition: opacity 0.5s ease;
    }

    .product-card:hover .ink-brush-decoration {
        opacity: 0.15;
    }

    .ink-brush-decoration.top-right {
        top: 10px;
        right: 10px;
        background: radial-gradient(circle, var(--ink-black) 0%, transparent 70%);
    }

    .ink-brush-decoration.bottom-left {
        bottom: 10px;
        left: 10px;
        background: radial-gradient(circle, var(--accent-red) 0%, transparent 70%);
    }

    .brand-description {
        background: var(--paper-cream);
        border: 1px solid rgba(0, 0, 0, 0.08);
        padding: 60px;
        margin-top: 80px;
        position: relative;
    }

    .brand-description::before,
    .brand-description::after {
        content: '';
        position: absolute;
        width: 40px;
        height: 40px;
        border: 2px solid var(--accent-gold);
    }

    .brand-description::before {
        top: 20px;
        left: 20px;
        border-right: none;
        border-bottom: none;
    }

    .brand-description::after {
        bottom: 20px;
        right: 20px;
        border-left: none;
        border-top: none;
    }

    .description-title {
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 42px;
        color: var(--ink-black);
        margin-bottom: 30px;
        text-align: center;
    }

    .description-content {
        font-size: 18px;
        line-height: 2.2;
        color: var(--ink-gray);
        letter-spacing: 1px;
    }

    .description-content p {
        margin-bottom: 20px;
    }

    .more-link {
        text-align: center;
        margin-top: 40px;
    }

    .more-link a {
        display: inline-block;
        font-family: 'STXingkai', '华文行楷', 'KaiTi', '楷体', cursive;
        font-size: 20px;
        color: var(--accent-red);
        text-decoration: none;
        padding: 15px 40px;
        border: 2px solid var(--accent-red);
        transition: all 0.3s ease;
    }

    .more-link a:hover {
        background: var(--accent-red);
        color: var(--paper-white);
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(139, 37, 0, 0.3);
    }

    @media (max-width: 1200px) {
        .main-container {
            padding: 30px 40px 80px;
        }

        .brand-hero {
            gap: 50px;
        }

        .brand-main-title {
            font-size: 72px;
        }

        .product-showcase {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        .main-container {
            padding: 20px 20px 60px;
        }

        .brand-hero {
            flex-direction: column;
            gap: 30px;
        }

        .brand-title-vertical {
            writing-mode: horizontal-tb;
        }

        .brand-main-title {
            font-size: 48px;
            letter-spacing: 8px;
        }

        .brand-seal-large {
            width: 100px;
            height: 100px;
            font-size: 42px;
        }

        .section-title {
            font-size: 28px;
        }

        .product-showcase {
            grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            gap: 20px;
        }

        .product-image-wrapper {
            height: 200px;
            padding: 30px 15px;
        }

        .product-info {
            padding: 20px 15px;
        }

        .product-title {
            font-size: 18px;
        }

        .brand-description {
            padding: 40px 30px;
        }

        .description-title {
            font-size: 32px;
        }

        .description-content {
            font-size: 16px;
        }
    }

    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }

    ::-webkit-scrollbar-track {
        background: var(--paper-cream);
    }

    ::-webkit-scrollbar-thumb {
        background: var(--ink-gray);
        border-radius: 4px;
    }